637 US gallons in imperial gallons

Conversion formula
How to convert 637 US gallons to imperial gallons?

We know (by definition) that: $1\mathrm{usgallon}\approx 0.832674184628989\mathrm{imperialgallon}$

We can set up a proportion to solve for the number of imperial gallons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 637 ⁢ usgallon ≈ 530.413455608666 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.00188532170408925 times 637 US gallons.

It can also be expressed as: 637 US gallons is equal to $\frac{1}{\mathrm{0.00188532170408925}}$ imperial gallons.

Approximation

An approximate numerical result would be: six hundred and thirty-seven US gallons is about five hundred and thirty point four zero imperial gallons, or alternatively, a imperial gallon is about zero times six hundred and thirty-seven US gallons.